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    I must say that your service is absolutely exceptional and I have recommended your company and products to several friends today; all are serious "printer" people.I retired last year and my friends are all into, or are still working in the photo industry. Sincerely,Gerhard

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    Dear, just to let you know than i realy appreciate your costumer service.
    Thank you
    Denis

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    Just a Thank you and all the best
    Grigore

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    Ce message est simplement pour vous dire que j'ai bien reçu la commande XXXXXX et que je suis très satisfait de la rapidité de la livraison et aussi de la qualité de l'encre. C'est la première fois que j'utilise de l'encre "autre que l'originale" et pour le moment je suis très satisfait. Soyez certain que je vais vous référez à mes amis et collègues de travail et c'est certain que je vais commander à nouveau de chez vous. Merci beaucoup.
    Stéphane

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    Je veux seulement vous dire un gros merci pour la rapidité avec lequel vous avez traité ma demande et aussi pour le petit extra en papier photos,c'est très apprécié.

    Céline

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    I received my order, thank you for your great customer service..
    Judy

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    Hello:

    It is not often people write emails or letters of praise but consider this one of the rare ones!
    I must say, ordering your product was about the easiest imaginable. Coupled with the fact that it arrived here basically “next day” I am thoroughly happy. To tell you the truth, I was expecting to have to go pay full retail for one black cartridge thinking that your’s would take at least a week to arrive but I was wrong, the order arrived before I could even go out to get one!
    Congrats people, I WILL tell all my friends and neighbours about you!

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New photovoltaics and printed electronics by inkjet

A recent article printed in Printed Electronics World said

New photovoltaics and printed electronics by inkjet - Japan/USA

New opportunities for printing electronics include: polymer solar film (above) ; flexible polymer-based lighting; electronic books printed polymer backplanes; transparent solar cells; flexible electronics and batteries; paper-like products; disposable diagnostic devices; intelligent packaging and large area electronics.
That was the message of Fujifilm Dimatix at the world’s largest conference and exhibition on printed electronics in Dresden Germany in April. This was the Printed Electronics Europe event of IDTechEx. It will now be leapfrogged by the sister event Printed Electronics USA in San Jose California being even bigger.

Chuck Griggs, VP Applications Engineering of Fujifilm Dimatix, Inc. saw the advantages of inkjet as non-contact and drop on demand and it reduces both materials processing and environmental impact. Printheads and fluids developed in tandem for specific application requirements. R&D metrics are directly translatable to production protocols.

The market/ technology positioning is:

Remarkable event not to be missed

This remarkable event will not be burdened by discussion of the old crystalline and amorphous silicon technologies. It will cover the better performing and increasingly lower cost new technologies such as CdTe, DSSC, CIGS and organic. Indeed, CdTe photovoltaics, which is thin film but not yet printed, has attracted 1.5 billion dollars in orders in the last few months alone. The other technologies can already be printed and some are in production in the USA, UK, Germany and Japan, with much more to come. This subject is extremely exciting and it will lead to many innovative new products exploiting such things as invisible solar power on watches, packages and medical disposables for example.

The macro features of inkjet include:
Print accuracy > 20 microns
Drop volume > 10 pL
High throughput
High print speed
High throw rate of ink
This leads to typical applications being:
Bio and Chemical Sensors
Solar Cells
Dielectric Coating
Photo Resist
Adhesives
The key enabling attributes of ink jet were cited as:
Full production speed (over 100m/min)
Single pass imaging
Non-contact
Wide variety of fluids and inks
Reliable performance
Photovoltaics is easiest because conductive traces only need to be better than 75 microns whereas for backplanes they need to be ˜ 20 microns. Organic TFTs need fine feature size 10 pL drops and 40-100 micron line width depending on fluid, substrate, and spot density with 1pl drops 15 – 30 micron line depending on fluid, substrate, and spot density.

Increasingly, devices combine organic and inorganic materials, as with the Dye Sensitized Solar cells DSSC inkjet printed reel to reel in the UK and the biosensor that has been made by Fujifilm Dimatix.

For more on photovoltaics attend Photovoltaics Beyond Conventional Silicon or attend Printed Electronics USA 2008.

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